What is the largest size box you can ship USPS? Customer Support 29 August 2022 The maximum size for most mailpieces is 108 inches in combined length and girth. USPS Retail Ground pieces may measure…
Does the size of the box matter when shipping USPS? Customer Support 22 August 2022 The smaller a box you use will, as a general rule of thumb, reduce your shipping costs. Our software is…
